Tumorgruppe | Anteil | Tumor | Grad |
Astrozytome | 6% | pilozytisches Astrozytom | Grad I |
| 8% | Astrozytom (niedriggradig) | Grad II |
| < 3% | anaplastisches Astrozytom | Grad III |
| 15% | Glioblastoma multiforme | Grad IV |
Oligodendrogliome | 5% | Oligodendrogliom | Grad II |
| | anaplastisches Oligodendrogliom | Grad III |
Ependymome | 5% | Subependymom | Grad I |
| | myxopapilläres Ependymom | Grad I |
| | Ependymom | Grad II |
| | anaplastisches Ependymom | Grad III |
Plexustumoren | < 1% | Plexuspapillom | Grad I |
| | Plexuskarzinom | Grad III + Grad IV |
neuronale Tumoren | < 3% | Gangliozytom | Grad I |
| | Gangliogliom | Grad I + Grad II |
| | dysembryoplastischer neuroepithelialer Tumor | Grad I |
| | zentrales Neurozytom | Grad I |
Pinealistumoren | < 2% | Pineozytom | Grad II + Grad III |
| | Pineoblastom | Grad IV |
embryonale Tumoren | 5% | Medulloblastom | Grad IV |
| | andere PNETs | Grad IV |
Tumoren des PNS | 8% | Neurinom | Grad I |
| | maligner peripherer Nervenscheidentumor | Grad III + Grad IV |
Meningeale Tumoren | 15% | Meningeom | Grad I |
| | Anaplastisches Meningeom | Grad III |
| | Hämangioperizytom | Grad III |
Lymphome | < 2% | primäres ZNS-Lymphom | Grad IV |
Metastasen | 25% | Karzinome, Melanome, Lymphome | Grad IV |